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VII. — A Description of a New Species of Grim- 
mia, found in Scotland. 
By Robert Kaye Greville, Esq, F. R. S. E= 
■ M.W.S. &c. 
{Read l^th January 18^^.) 
Gjsn. Char, ^^^a terminalis. Peristomium mn^len e 
dentibus 16 integris vel perforatis (rarissime fissis) sequi- 
distantibus. Calyptra mitriformis. Hook. Muse. Brit. 
p. 36. ; et Muse. Exot. p. 9. 
Grimmia LEUCOPH^A. 
Grimmia caule breviusculo^ subramoso, foliis ovatis, 
longe piliferis, incanis, nigrescentibus ; seta exserta, brevis- 
sima, recta; capsula ovata, dentibus brevibus perforatis, 
operculo obtuso-rostrato. PI. VI. 
Hab. In rupibus prope Edinburgum ad locum King's 
Park dictum. 
Planta caespitosa, incana, isaxa sajpe latissime tegens ; in 
aetate valde nigrescens^ 
